CN113640130A - Hydraulic pressure disc tube test equipment - Google Patents
Hydraulic pressure disc tube test equipment Download PDFInfo
- Publication number
- CN113640130A CN113640130A CN202110844396.8A CN202110844396A CN113640130A CN 113640130 A CN113640130 A CN 113640130A CN 202110844396 A CN202110844396 A CN 202110844396A CN 113640130 A CN113640130 A CN 113640130A
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- installation shell
- water pump
- low pressure
- pipeline
- hydraulic
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000009434 installation Methods 0.000 claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000012546 transfer Methods 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 239000008400 supply water Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The utility model belongs to the technical field of hydraulic pressure pipeline test technique and specifically relates to a hydraulic pressure spool test equipment is related to, be the installation shell that the opening set up including one side, set up the transfer line that is used for connecting external pipeline on the installation shell, set up the high pressure water pump of being connected with the transfer line in installation shell one side, installation shell one side still is provided with the low pressure water pump that is used for to external pipeline inner chamber pre-filling liquid, low pressure water pump is connected with the transfer line, be provided with guiding device on the transfer line, work as during the high pressure water pump supplies water, low pressure water pump stops to supply water, works as during the low pressure water pump supplies water, high pressure water pump stops to supply water, and this application has the high effect of test safety.
Description
Technical Field
The application relates to the technical field of hydraulic pipeline testing, in particular to hydraulic pressure disc pipe testing equipment.
Background
The existing mechanical equipment hydraulic pipe manufacturer carries out the pre-pressing test on the pipelines purchased outside the commission according to the technical requirements of the manufacturer, and the qualified pipelines can be continuously processed in the next step after being pressed.
The known outsourcing bought pipelines are all disc-shaped, the hydraulic pipes are flexible rubber pipes, the length of the whole pipeline is more than ten meters, the common pressurizing mode is that gas and liquid are pressurized, the common pressurizing mode of the hydraulic pipes is that liquid is pressurized, water is directly filled into the hydraulic coil pipe through a high-pressure pump, and the water outlet end of the hydraulic coil pipe is plugged for pressure resistance testing.
The inventor thinks that: purchase the hydraulic coil pipe to the producer in from the external world, the pipeline part position is because the extrusion easily leads to the part of whole pipeline shrivelled, and some positions swell, and directly to directly filling water in the hydraulic coil pipe easily causes the pipeline to break, takes place the pipeline incident of bursting, has great hidden danger to the tester.
Disclosure of Invention
In order to reduce the test pipeline incident that bursts, promote the security of the process of suppressing, this application provides a hydraulic pressure disc tube test equipment.
The application provides a hydraulic pressure disc tube test equipment adopts following technical scheme:
the utility model provides a hydraulic pressure spool test equipment, is the installation shell that the opening set up including one side, sets up the transfer line that is used for connecting external pipeline on the installation shell, sets up the high pressure water pump of being connected with the transfer line in installation shell one side, installation shell one side still is provided with the low pressure water pump that is used for to external pipeline inner chamber pre-filling liquid, low pressure water pump is connected with the transfer line, be provided with guiding device on the transfer line, work as when high pressure water pump supplies water, low pressure water pump stops supplying water, works as when low pressure water pump supplies water, high pressure water pump stops supplying water.
By adopting the technical scheme, when the high-pressure water flow is subjected to a pressurizing test, the water outlet of the low-pressure water pump is communicated with the liquid conveying pipe in advance through the flow guide device, the liquid conveying pipe is communicated with the inner cavity of the hydraulic pipeline to be tested, so that the water flow slowly enters the inner cavity of the hydraulic pipeline, on one hand, gas in the hydraulic pipeline is discharged out of the pipe, on the other hand, the shriveled part of the hydraulic pipeline is recovered to the original state, whether gas is reserved in the hydraulic pipeline is judged according to the drainage condition of the water outlet end of the hydraulic pipeline, when the water flow diameter of the water outlet end of the hydraulic pipeline is full and has no bubbles, the water outlet end of the hydraulic pipeline is blocked in advance, the low-pressure water pump is closed, the high-pressure water pump is opened at the same time, the flow guide device directly drives the high-pressure water pump to supply water into the hydraulic pipeline, so that the pressurizing test is realized, and the hydraulic pipeline is difficult to burst due to pre-charging operation in the whole process, the safety of the tester is improved.
Optionally, the guiding device is including fixing drain pipe, the integrated into one piece in the installation shell outside keeping away from the high-pressure feed liquor pipe of installation shell one end at the drain pipe, setting up first solenoid valve on high-pressure feed liquor pipe, integrated into one piece keep away from the low pressure feed liquor pipe of installation shell one end at the drain pipe, set up the second solenoid valve on low pressure feed liquor pipe, set up the control box that is used for controlling first solenoid valve and second solenoid valve in the installation shell outside, drain pipe and transfer line intercommunication, high pressure feed liquor pipe is the intercommunication setting with the delivery port of high pressure water pump, low pressure feed liquor pipe is the intercommunication setting with the delivery port of low pressure water pump.
Through adopting above-mentioned technical scheme, the control box is the PLC equipment, during the test is suppressed to liquid, need in advance prefill in hydraulic pressure pipeline, thereby open low pressure water pump and second solenoid valve, close high pressure water pump and first solenoid valve simultaneously, make rivers slowly get into hydraulic pressure pipeline's inner chamber, resume the position of pipeline shrivelled to the normal position, have more the outflow situation of hydraulic pressure pipeline outlet end rivers, switch high pressure water pump and fill water, and close the second solenoid valve simultaneously, open first solenoid valve, the outlet end of shutoff hydraulic pressure pipeline, thereby realize that liquid suppresses.
Optionally, the outer side of the installation shell is provided with an air pump, an air inlet pipe is communicated with the outer wall of the liquid outlet pipe, one end, away from the liquid outlet pipe, of the air inlet pipe is communicated with the air outlet of the air pump, a third electromagnetic valve is arranged on the outer wall of the air inlet pipe, and the third electromagnetic valve is electrically connected with the control box.
Through adopting above-mentioned technical scheme, can realize carrying out gas to the pipeline that awaits measuring and suppress the test, after the pipeline suppressed the test through liquid, hydraulic pipeline's inner wall was in humid state, and the accessible lets in high-pressure gas in to hydraulic pipeline this moment to the realization is dry with hydraulic pipeline's inner wall, and the later stage of being convenient for is used, has also promoted the life of pipeline simultaneously.
Optionally, the outside of the control box is provided with a first pressure gauge for displaying air pressure in the pipeline and a second pressure gauge for displaying water pressure in the pipeline respectively.
Through adopting above-mentioned technical scheme, atmospheric pressure in the test pipeline can be observed in real time to the first manometer of accessible, can observe the water pressure in the test pipeline in real time through the second manometer, the adjustment to pipeline internal pressure in real time of the tester of being convenient for more.
Optionally, a connecting sleeve is hung on the inner side of the mounting shell, a butting sleeve is coaxially sleeved on the outer side of the connecting sleeve, and a plurality of elastic plates are integrally formed at one end of the connecting sleeve and are uniformly arranged around the circumferential interval of the connecting sleeve.
By adopting the technical scheme, under the known initial state, two free ends of the hydraulic coil pipe are not connected with any joint, so that when one free end of the hydraulic coil pipe is connected with the infusion pipe, the connecting sleeve is sleeved outside the free end of the hydraulic coil pipe in advance, the free end of the hydraulic coil pipe is sleeved on the outer wall of the infusion pipe, the abutting sleeve is rotated, the elastic plates are contracted, the free end of the hydraulic coil pipe is abutted to the infusion pipe, and connection is achieved.
Optionally, a water collecting tank is fixed at the bottom of the mounting shell, a water inlet is formed in the bottom surface of the inner cavity of the mounting shell, the water inlet is communicated with the inner cavity of the water collecting tank, and a filtering plate is fixed on the water inlet.
Through adopting above-mentioned technical scheme, will collect in the header tank through the rivers after liquid is suppressed, the filter realizes the filtration to rivers to be convenient for follow-up rivers recycle in the collecting tank more.
Optionally, the bottom surface of the inner cavity of the mounting shell is obliquely arranged towards the water inlet, a water retaining strip is fixed to the bottom surface of the inner cavity of the mounting shell, the bottom surface of the inner cavity of the mounting shell is divided into a dry area and a wet area by the water retaining strip, the water inlet is located in the wet area, and the dry area can be used for placing detection parts.
By adopting the technical scheme, the dry area not only can be used for placing parts used in the testing process, but also can be used for testing the hydraulic coil pipe, so that the space is reasonably utilized, and the space waste is reduced.
Optionally, the outer side of the installation shell is rotatably connected with a cover plate used for plugging the opening of the installation shell, the inner side of the installation shell is rotatably connected with an air spring, the end part of a piston rod of the air spring is rotatably connected with the inner side of the cover plate, the outer side of the cover plate is provided with an observation port, and a transparent glass plate is fixedly arranged in the observation port.
Through adopting above-mentioned technical scheme, the in-process is suppressed in the test, places hydraulic coil in the inner chamber of installation shell, and the apron is established to the lid for the opening of installation shell is by the shutoff, thereby has promoted the security of suppressing the process.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the pressure is tested, the hydraulic pipeline is difficult to burst due to the pre-water filling operation in the whole process, so that the safety of testing personnel is improved;
2. after the pipeline through liquid suppress the test, the inner wall of hydraulic pressure pipeline is in humid state, and the accessible lets in high-pressure gas in to hydraulic pressure pipeline this moment to the realization is dry with hydraulic pressure pipeline's inner wall, and the later stage of being convenient for is used, has also promoted the life of pipeline simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic diagram of the whole structure of the infusion tube part in the embodiment.
Fig. 3 is a schematic view of the entire structure for showing the inner cavity of the mounting case in the present embodiment.
Fig. 4 is a schematic view of the whole structure of the connecting sleeve part in the embodiment.
Reference numerals: 1. mounting a shell; 2. a transfusion tube; 3. a high pressure water pump; 4. a low-pressure water pump; 5. a flow guide device; 6. a liquid outlet pipe; 7. a high pressure liquid inlet pipe; 8. a first solenoid valve; 9. a low pressure liquid inlet pipe; 10. a second solenoid valve; 11. a control box; 12. an air pump; 13. an air inlet pipe; 14. a third electromagnetic valve; 15. a first pressure gauge; 16. a second pressure gauge; 17. connecting sleeves; 18. a butting sleeve; 19. an elastic plate; 20. a water collection tank; 21. a water inlet; 22. a filter plate; 23. a water bar; 24. a dry zone; 25. a wet area; 26. a cover plate; 27. a gas spring; 28. an observation port; 29. a transparent glass plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses hydraulic pressure disc tube test equipment.
Referring to fig. 1 and 2, a hydraulic pressure spool test equipment, including installation shell 1, transfer line 2 and high pressure water pump 3, installation shell 1 supports subaerial, the opening has been seted up to one side of installation shell 1, transfer line 2 is installed on the one end inner wall of installation shell 1, the opening side of installation shell 1 rotates and is connected with and is used for shutoff 1 open-ended apron 26 of installation shell, the lateral wall of apron 26 runs through and has seted up observation mouth 28, it has transparent glass board 29 to observe the mouth 28 internal fixation, the condition at transfer line 2 position in installation shell 1 is observed in real time to tester's accessible transparent glass board 29, all be provided with air spring 27 on the both ends inner wall of installation shell 1, the base of air spring 27 rotates and connects on the inside wall of installation shell 1, the tailpiece of the piston rod portion of air spring 27 rotates and connects on the lateral wall of apron 26.
Referring to fig. 1, 3 fixed mounting of high pressure water pump is on the one end outer wall of installation shell 1, install low pressure water pump 4 on the one end outer wall of installation shell 1, high pressure water pump 3 lies in same one side with low pressure water pump 4, be provided with guiding device 5 that is used for switching high pressure rivers and low pressure rivers on the outer wall of installation shell 1, when carrying out the test of liquid suppressing to the pipeline of hydraulic coil, order about low pressure water pump 4 in advance and supply water to the hydraulic pipeline, make the position of hydraulic pipeline shrivelled resume to original state, simultaneously with the gaseous discharge in the hydraulic pipeline, and then switch high pressure water pump 3 through guiding device 5 and supply water, go out the water end shutoff with the hydraulic pipeline before switching, thereby realize that high pressure water pump 3 suppresses the test.
Referring to fig. 1 and 2, the flow guiding device 5 includes a liquid outlet pipe 6, a high pressure liquid inlet pipe 7, a first electromagnetic valve 8, a low pressure liquid inlet pipe 9, a second electromagnetic valve 10 and a control box 11, one end of the liquid outlet pipe 6 is communicated with the liquid transport pipe 2, the other end is respectively communicated with the high pressure liquid inlet pipe 7 and the low pressure liquid inlet pipe 9, one end of the high pressure liquid inlet pipe 7 far away from the liquid outlet pipe 6 is communicated with the water outlet of the high pressure water pump 3 through a conduit, the water inlet 21 of the high pressure water pump 3 is communicated with an external water supply pipeline, the first electromagnetic valve 8 is arranged on the outer wall of the high pressure liquid inlet pipe 7 for controlling the on-off of the high pressure liquid inlet pipe 7, one end of the low pressure liquid inlet pipe 9 far away from the liquid outlet pipe 6 is communicated with the water outlet of the low pressure water pump 4, the water inlet 21 of the low pressure water pump 4 is communicated with an external water path pipeline, the second electromagnetic valve 10 is arranged on the outer wall of the low pressure water inlet pipe for controlling the on-off of the low pressure water inlet pipe, the control box 11 is arranged on the outer side wall of the mounting shell 1, the install bin is PLC equipment, and first solenoid valve 8 all is connected with the install bin electricity with second solenoid valve 10.
Referring to fig. 1 and 2, be provided with air pump 12 on the lateral wall of installation shell 1, air pump 12 is located same one side with high pressure water pump 3, be provided with intake pipe 13 on the outer wall of drain pipe 6, intake pipe 13 one end and the inner chamber intercommunication of drain pipe 6, the other end passes through the gas outlet intercommunication of air duct and air pump 12, fixed third solenoid valve 14 on the outer wall of intake pipe 13, third solenoid valve 14 all is connected with the PLC electricity on the control box 11 through the wire with air pump 12, can realize carrying out gaseous suppressing test to the hydraulic pressure pipeline on the one hand, on the other hand, after hydraulic pressure pipeline liquid suppressing test is accomplished, directly let in high-speed gas, can dry the rivers in the hydraulic pressure pipeline.
Referring to fig. 3, the outside of control box 11 is provided with first manometer 15 and second manometer 16, and first manometer 15 can be used to show the atmospheric pressure in the pipeline in real time, and second manometer 16 can be used to show the water pressure in the pipeline in real time to the tester of being convenient for more controls and suppresses equipment.
Referring to fig. 2, 3 and 4, a connecting sleeve 17 is hung on the inner wall of one side of the installation shell 1 where the infusion tube 2 is installed, a butting sleeve 18 is coaxially sleeved on the outer side of the connecting sleeve 17, the butting sleeve 18 is in threaded connection with the connecting sleeve 17, one end of the connecting sleeve 17 where the butting sleeve 18 is installed is integrally provided with a plurality of elastic plates 19, the elastic plates 19 are uniformly arranged around the circumferential interval of the connecting sleeve 17, in an initial state, the length direction of the elastic plates 19 and the axial direction of the connecting sleeve 17 are arranged in an acute angle, one end of the butting sleeve 18 is butted on the side wall of the elastic plate 19, when the end part of an external hydraulic pipeline is connected with the infusion tube 2, the connecting sleeve 17 is sleeved on the outer side of the hydraulic pipeline in advance, the port of the hydraulic pipeline is sleeved on the outer side of the infusion tube 2, the butting sleeve 18 is rotated, so that the included angle between the length direction of the elastic plates 19 and the axial direction of the connecting sleeve 17 is gradually reduced, until the end of the hydraulic pipeline and the outer wall of the infusion tube 2 are mutually abutted by a plurality of elastic plates 19.
Referring to fig. 3, the bottom of installation shell 1 is fixed with header tank 20, water inlet 21 has been seted up on the inner chamber bottom surface of installation shell 1, rivers after the test are suppressed to hydraulic pressure water pipe liquid can collect to the header tank 20 in through water inlet 21, the inner wall of water inlet 21 is fixed with filter 22, the inner chamber bottom surface of installation shell 1 is the slope setting towards the direction of water inlet 21, inclination is two degrees, be fixed with water bar 23 on the inner chamber bottom surface of installation shell 1, water bar 23 divides into dry district 24 and wet district 25 with the inner chamber bottom surface of installation shell 1, dry district 24 can be used to place test spare part, wet district 25 is used for waste water discharging, water inlet 21 is located wet district 25.
The implementation principle of the hydraulic pressure disc tube test equipment in the embodiment of the application is as follows: according to the test requirement of suppressing of corresponding hydraulic pressure pipeline, select gaseous suppressing or liquid suppressing, when selecting liquid suppressing the test, carry out the water of prefilling through low pressure water pump 4 in advance, make the shrivelled position of hydraulic pressure pipeline resume to original state, simultaneously with the gaseous emission in the hydraulic pressure pipeline, the back is accomplished in the water of prefilling, the play water end of shutoff hydraulic pressure pipeline, then pass through the button on the control box 11, make the passageway of low pressure inlet tube is closed to second solenoid valve 10, switch on high pressure inlet tube through first solenoid valve 8 simultaneously, realize that liquid suppresses the test.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a hydraulic pressure spool test equipment, is installation shell (1) that the opening set up including one side, sets up transfer line (2) that are used for connecting external pipeline on installation shell (1), sets up high-pressure water pump (3) of being connected with transfer line (2) in installation shell (1) one side, its characterized in that: the installation shell (1) one side still is provided with low pressure water pump (4) that are used for external pipeline inner chamber pre-filling liquid, low pressure water pump (4) are connected with transfer line (2), be provided with guiding device (5) on transfer line (2), work as when high pressure water pump (3) supplies water, low pressure water pump (4) stop supplying water, work as when low pressure water pump (4) supplies water, high pressure water pump (3) stop supplying water.
2. A hydraulic platen tube test apparatus as claimed in claim 1, wherein: flow guide device (5) are including fixing drain pipe (6) in installation shell (1) outside, integrated into one piece keep away from high pressure feed liquor pipe (7) of installation shell (1) one end at drain pipe (6), set up first solenoid valve (8) on high pressure feed liquor pipe (7), integrated into one piece keeps away from low pressure feed liquor pipe (9) of installation shell (1) one end at drain pipe (6), set up second solenoid valve (10) on low pressure feed liquor pipe (9), set up control box (11) that are used for controlling first solenoid valve (8) and second solenoid valve (10) in installation shell (1) outside, drain pipe (6) and transfer line (2) intercommunication, high pressure feed liquor pipe (7) are the intercommunication setting with the delivery port of high pressure water pump (3), low pressure feed liquor pipe (9) are the intercommunication setting with the delivery port of low pressure water pump (4).
3. A hydraulic platen tube test apparatus as claimed in claim 2, wherein: the outside of installation shell (1) is provided with air pump (12), the intercommunication is provided with intake pipe (13) on the outer wall of drain pipe (6), the one end that drain pipe (6) were kept away from in intake pipe (13) communicates with the gas outlet of air pump (12), be provided with third solenoid valve (14) on the outer wall of intake pipe (13), third solenoid valve (14) are connected with control box (11) electricity.
4. A hydraulic platen tube test apparatus as claimed in claim 3, wherein: and a first pressure gauge (15) for displaying the air pressure in the pipeline and a second pressure gauge (16) for displaying the water pressure in the pipeline are respectively arranged on the outer side of the control box (11).
5. A hydraulic platen tube test apparatus as claimed in claim 1, wherein: the inboard of installation shell (1) has been hung and has been connect adapter sleeve (17), the coaxial cover in the outside of adapter sleeve (17) is equipped with to butt joint cover (18), the one end integrated into one piece of adapter sleeve (17) has a plurality of elastic plate (19), a plurality of elastic plate (19) are round the circumference interval align to grid of adapter sleeve (17).
6. A hydraulic platen tube test apparatus as claimed in claim 1, wherein: the bottom of installation shell (1) is fixed with header tank (20), water inlet (21) have been seted up on the inner chamber bottom surface of installation shell (1), water inlet (21) are the intercommunication setting with the inner chamber of header tank (20), be fixed with filter (22) on water inlet (21).
7. The hydraulic platen tube test apparatus of claim 6, wherein: the inner cavity bottom surface of installation shell (1) is the slope setting towards the direction of water inlet (21), the inner cavity bottom surface of installation shell (1) is fixed with water bar (23), water bar (23) will installation shell (1) inner cavity bottom surface is divided into dry district (24) and wet district (25), water inlet (21) are located wet district (25), dry district (24) can be used to place and detect the part.
8. A hydraulic platen tube test apparatus as claimed in claim 1, wherein: the utility model discloses a portable gas sensor, including installation shell (1), rotation is connected with on the outside of installation shell (1) and is used for shutoff installation shell (1) open-ended apron (26), the inboard rotation of installation shell (1) is connected with air spring (27), the piston rod tip of air spring (27) is connected with the inboard rotation of apron (26), observation mouth (28) have been seted up on the outside of apron (26), observation mouth (28) internal fixation has transparent glass board (29).
Priority Applications (1)
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CN202110844396.8A CN113640130A (en) | 2021-07-26 | 2021-07-26 | Hydraulic pressure disc tube test equipment |
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CN202110844396.8A CN113640130A (en) | 2021-07-26 | 2021-07-26 | Hydraulic pressure disc tube test equipment |
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CN202110844396.8A Pending CN113640130A (en) | 2021-07-26 | 2021-07-26 | Hydraulic pressure disc tube test equipment |
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Citations (12)
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JPH09296886A (en) * | 1996-04-30 | 1997-11-18 | Nkk Corp | Pipe joint |
RU2222800C1 (en) * | 2002-07-11 | 2004-01-27 | Открытое акционерное общество "Центр технической диагностики" | Bench to test pipes with internal pressure and for bending and hydraulic system of bench |
CN101586724A (en) * | 2009-05-18 | 2009-11-25 | 浙江工业大学 | Quick coupling of claw-type plastic hose |
CN103143538A (en) * | 2013-01-28 | 2013-06-12 | 山东大学 | Pipeline pressure test and pulse cleaning integrated equipment |
CN104865129A (en) * | 2014-02-20 | 2015-08-26 | 重庆瀚海石油技术有限公司 | Skid-mounted multifunctional anti-blowout pipe pressure test system |
CN206930530U (en) * | 2017-07-20 | 2018-01-26 | 山西骏通铸管有限公司 | A kind of hydraulic pressure tester for pipe fitting height pressure control system |
CN211085575U (en) * | 2019-12-09 | 2020-07-24 | 南京鸿之杉科技有限公司 | Pressure-resistant cleaning integrated machine for hydraulic pipes |
CN211401664U (en) * | 2020-03-17 | 2020-09-01 | 泰州市神龙消防科技有限公司 | Fire hose resistance to compression detection device |
CN211401968U (en) * | 2019-12-09 | 2020-09-01 | 南京鸿之杉科技有限公司 | High pressure resistance detection device of hydraulic pipe |
KR20200123920A (en) * | 2019-04-23 | 2020-11-02 | 박강훈 | Sleeve Type Screw Connector |
CN112729719A (en) * | 2020-12-17 | 2021-04-30 | 中车长春轨道客车股份有限公司 | Railway passenger car pipeline pressure testing device |
CN213180582U (en) * | 2020-09-01 | 2021-05-11 | 列云消防设备(武定县)有限公司 | Fire-fighting pipeline water pressure experimental device |
-
2021
- 2021-07-26 CN CN202110844396.8A patent/CN113640130A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09296886A (en) * | 1996-04-30 | 1997-11-18 | Nkk Corp | Pipe joint |
RU2222800C1 (en) * | 2002-07-11 | 2004-01-27 | Открытое акционерное общество "Центр технической диагностики" | Bench to test pipes with internal pressure and for bending and hydraulic system of bench |
CN101586724A (en) * | 2009-05-18 | 2009-11-25 | 浙江工业大学 | Quick coupling of claw-type plastic hose |
CN103143538A (en) * | 2013-01-28 | 2013-06-12 | 山东大学 | Pipeline pressure test and pulse cleaning integrated equipment |
CN104865129A (en) * | 2014-02-20 | 2015-08-26 | 重庆瀚海石油技术有限公司 | Skid-mounted multifunctional anti-blowout pipe pressure test system |
CN206930530U (en) * | 2017-07-20 | 2018-01-26 | 山西骏通铸管有限公司 | A kind of hydraulic pressure tester for pipe fitting height pressure control system |
KR20200123920A (en) * | 2019-04-23 | 2020-11-02 | 박강훈 | Sleeve Type Screw Connector |
CN211085575U (en) * | 2019-12-09 | 2020-07-24 | 南京鸿之杉科技有限公司 | Pressure-resistant cleaning integrated machine for hydraulic pipes |
CN211401968U (en) * | 2019-12-09 | 2020-09-01 | 南京鸿之杉科技有限公司 | High pressure resistance detection device of hydraulic pipe |
CN211401664U (en) * | 2020-03-17 | 2020-09-01 | 泰州市神龙消防科技有限公司 | Fire hose resistance to compression detection device |
CN213180582U (en) * | 2020-09-01 | 2021-05-11 | 列云消防设备(武定县)有限公司 | Fire-fighting pipeline water pressure experimental device |
CN112729719A (en) * | 2020-12-17 | 2021-04-30 | 中车长春轨道客车股份有限公司 | Railway passenger car pipeline pressure testing device |
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